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Commit 0ca44b14 authored by Greg Thelen's avatar Greg Thelen Committed by Linus Torvalds
Browse files

memcg: add BUILD_BUG_ON() for string tables 



Use BUILD_BUG_ON() to compile assert that memcg string tables are in sync
with corresponding enums.  There aren't currently any issues with these
tables.  This is just defensive.

Signed-off-by: default avatarGreg Thelen <gthelen@google.com>
Acked-by: default avatarJohannes Weiner <hannes@cmpxchg.org>
Acked-by: default avatarMichal Hocko <mhocko@suse.cz>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 90cbc250

mm/memcontrol.c

+4 −0
Original line number Diff line number Diff line
@@ -3568,6 +3568,10 @@ static int memcg_stat_show(struct seq_file *m, void *v) 
	struct mem_cgroup *mi;

	unsigned int i;



	BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_stat_names) !=

		     MEM_CGROUP_STAT_NSTATS);

	BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_events_names) !=

		     MEM_CGROUP_EVENTS_NSTATS);

	BUILD_BUG_ON(ARRAY_SIZE(mem_cgroup_lru_names) != NR_LRU_LISTS);



	for (i = 0; i < MEM_CGROUP_STAT_NSTATS; i++) {